Calculate A+B-C+D
[6410] Calculate A+B-C+D - Look at the series (7, 16, 43, B, A, 1096, 3283, 9844, 29527, C, 265723, D, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A+B-C+D! - #brainteasers #math - Correct Answers: 19 - The first user who solved this task is Nasrin 24 T
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Calculate A+B-C+D

Look at the series (7, 16, 43, B, A, 1096, 3283, 9844, 29527, C, 265723, D, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A+B-C+D!
Correct answers: 19
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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There Are No Dogs Allowed Here


A man goes to a bar with his dog. He goes up to the bar and asks for a drink. The bartender says "You can't bring that dog in here!" The guy, without missing a beat, says "This is my seeing-eye dog." "Oh man, " the bartender says, "I'm sorry, here, the first one's on me." The man takes his drink and goes to a table near the door.
Another guy walks in the bar with a Chihuahua. The first guys sees him, stops him and says "You can't bring that dog in here unless you tell him it's a seeing-eye dog." The second man graciously thanks the first man and continues to the bar. He asks for a drink. The bartender says "Hey, you can't bring that dog in here!"
The second man replies "This is my seeing-eye dog." The bartender says, "No, I don't think so. They do not have Chiwauas as seeing-eye dogs." The man pauses for a half-second and replies "What?!?! They gave me a Chihuahua?!?"
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Sir John C. Eccles

Died 2 May 1997 at age 94 (born 27 Jan 1903). John Carew Eccles was an Australian physiologist who shared, (with Alan Hodgkin and Andrew Huxley) the 1963 Nobel Prize for Physiology or Medicine for his discovery of the chemical means by which impulses are communicated or repressed by nerve cells. He also showed how signals pass between nerves and muscles. A nerve cell that is switched on by receiving a signal passes a chemical on to the next cell in line. This chemical expands minute openings in cell membranes, allowing ions to flood inside, reversing the electrical charge of the cell. This activity is repeated along the chain of cells, permitting transmission of the original impulse through the body. Eccles observed living cells in action by planting exceptionally tiny electrodes in them.
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